“Motion,” replied Marat loftily.

“You have not spoken of the soul.”

“I have never come across it when I searched with my scalpel.”

“Because you searched the dead only.”

“Oh, I have probed living bodies.”

“But have met nothing more than in dead ones?”

“Yes, pain; you don’t call that the soul, do you?”

“Do you not believe in the soul?”

“I believe in it but I may call it the Moving Power, if I like.”

“Very well; all I ask is if you believe in the soul; it makes me happy to think so.”